EP3799025A4 - Image processing device, display device, and image processing method - Google Patents

Image processing device, display device, and image processing method Download PDF

Info

Publication number
EP3799025A4
EP3799025A4 EP19808386.7A EP19808386A EP3799025A4 EP 3799025 A4 EP3799025 A4 EP 3799025A4 EP 19808386 A EP19808386 A EP 19808386A EP 3799025 A4 EP3799025 A4 EP 3799025A4
Authority
EP
European Patent Office
Prior art keywords
image processing
display device
processing method
processing device
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19808386.7A
Other languages
German (de)
French (fr)
Other versions
EP3799025A1 (en
Inventor
Hiroaki Kimura
Harunobu KAMEI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Group Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of EP3799025A1 publication Critical patent/EP3799025A1/en
Publication of EP3799025A4 publication Critical patent/EP3799025A4/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/023—Display panel composed of stacked panels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0238—Improving the black level
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness
    • G09G2320/0646—Modulation of illumination source brightness and image signal correlated to each other
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/04—Display protection
    • G09G2330/045—Protection against panel overheating
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00—Aspects of display data processing
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00—Aspects of the architecture of display systems
    • G09G2360/14—Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/144—Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light being ambient light

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal Display Device Control (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
EP19808386.7A 2018-05-22 2019-03-22 Image processing device, display device, and image processing method Pending EP3799025A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018097953 2018-05-22
PCT/JP2019/012181 WO2019225136A1 (en) 2018-05-22 2019-03-22 Image processing device, display device, and image processing method

Publications (2)

Publication Number Publication Date
EP3799025A1 EP3799025A1 (en) 2021-03-31
EP3799025A4 true EP3799025A4 (en) 2021-06-23

Family

ID=68615719

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19808386.7A Pending EP3799025A4 (en) 2018-05-22 2019-03-22 Image processing device, display device, and image processing method

Country Status (7)

Country Link
US (1) US11289037B2 (en)
EP (1) EP3799025A4 (en)
JP (1) JP7338622B2 (en)
KR (1) KR20210010453A (en)
CN (1) CN112119450B (en)
TW (1) TWI807023B (en)
WO (1) WO2019225136A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11263987B2 (en) * 2019-04-04 2022-03-01 Hisense Visual Technology Co., Ltd. Method of enhancing contrast and a dual-cell display apparatus
CN113296322B (en) * 2020-02-21 2023-11-17 松下电器（美国）知识产权公司 Liquid crystal display device having a light shielding layer
JP2022185808A (en) * 2021-06-03 2022-12-15 株式会社ジャパンディスプレイ Display device
JP2023056900A (en) * 2021-10-08 2023-04-20 株式会社ジャパンディスプレイ Display device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130215093A1 (en) * 2012-02-17 2013-08-22 Nokia Corporation Power-Optimized Image Improvement In Transflective Displays
CN107644608A (en) * 2017-07-24 2018-01-30 友达光电股份有限公司 Display device and image processing method thereof

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
EP0705043B1 (en) * 1994-09-30 2001-03-07 STMicroelectronics S.r.l. Device and method for filtering video images
US6108455A (en) * 1998-05-29 2000-08-22 Stmicroelectronics, Inc. Non-linear image filter for filtering noise
CN100545721C (en) 2001-02-27 2009-09-30 杜比实验室特许公司 High dynamic range display devices
JP4082689B2 (en) * 2004-01-23 2008-04-30 株式会社 日立ディスプレイズ Liquid crystal display
US7872631B2 (en) 2004-05-04 2011-01-18 Sharp Laboratories Of America, Inc. Liquid crystal display with temporal black point
JP2006235157A (en) * 2005-02-24 2006-09-07 Seiko Epson Corp Image display device, image display method, and program
KR100731048B1 (en) * 2005-10-20 2007-06-22 엘지.필립스 엘시디 주식회사 Apparatus and method for driving liquid crystal display device
JP5224230B2 (en) * 2006-04-18 2013-07-03 Ｎｌｔテクノロジー株式会社 Liquid crystal display
JP4131281B2 (en) * 2006-05-09 2008-08-13 ソニー株式会社 Image display device, signal processing device, image processing method, and computer program
JP2008191269A (en) * 2007-02-01 2008-08-21 Sharp Corp Driving device of liquid crystal display device
JP4772721B2 (en) * 2007-03-26 2011-09-14 株式会社東芝 Image processing apparatus and method
EP2425630B1 (en) * 2009-04-30 2018-11-07 Dolby Laboratories Licensing Corporation High dynamic range projection system, method to operate a high dynamic range projection system and computer readable medium
JP5429558B2 (en) * 2010-01-28 2014-02-26 日本電気株式会社 Portable terminal device, luminance control method, and luminance control program
US8427393B2 (en) * 2010-03-05 2013-04-23 Sanyo Electric Co., Ltd. Multi-layer display apparatus
JP5709911B2 (en) * 2013-02-04 2015-04-30 キヤノン株式会社 Image processing method, image processing apparatus, image processing program, and imaging apparatus
JP2015191053A (en) 2014-03-27 2015-11-02 ソニー株式会社 liquid crystal display device
US20160170702A1 (en) * 2014-12-12 2016-06-16 Apple Inc. Devices and methods of image-splitting for dual-layer high dynamic range displays
JP2019144311A (en) * 2018-02-16 2019-08-29 キヤノン株式会社 Display device and control method of the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130215093A1 (en) * 2012-02-17 2013-08-22 Nokia Corporation Power-Optimized Image Improvement In Transflective Displays
CN107644608A (en) * 2017-07-24 2018-01-30 友达光电股份有限公司 Display device and image processing method thereof
US20190027101A1 (en) * 2017-07-24 2019-01-24 Au Optronics Corporation Display apparatus and image processing method thereof

Also Published As

Publication number Publication date
JP7338622B2 (en) 2023-09-05
KR20210010453A (en) 2021-01-27
JPWO2019225136A1 (en) 2021-06-17
TW202004730A (en) 2020-01-16
CN112119450A (en) 2020-12-22
CN112119450B (en) 2022-11-18
EP3799025A1 (en) 2021-03-31
WO2019225136A1 (en) 2019-11-28
US11289037B2 (en) 2022-03-29
US20210035511A1 (en) 2021-02-04
TWI807023B (en) 2023-07-01

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